CN209745661U - Mould for manufacturing spectral analysis sample block - Google Patents
Mould for manufacturing spectral analysis sample block Download PDFInfo
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- CN209745661U CN209745661U CN201920113931.0U CN201920113931U CN209745661U CN 209745661 U CN209745661 U CN 209745661U CN 201920113931 U CN201920113931 U CN 201920113931U CN 209745661 U CN209745661 U CN 209745661U
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Abstract
The utility model provides a preparation spectral analysis sample piece's mould which relates to ferrous metal casting technical field, characterized by: comprises a left die body, a right die body and a die locking ring; the left die body and the right die body are arranged in a symmetrical structure, the left die body and the right die body are correspondingly combined to form a die set with a conical structure, a cavity formed by a square cavity, an upper cavity and a lower cavity which are sequentially and coaxially communicated from top to bottom is arranged in the die set, the top of the square cavity is open, the inner wall surface of the upper cavity is an inward-convex arc surface, the inner wall surface of the lower cavity is an outward-convex arc surface, and the radian ratio of the inner wall surfaces of the upper cavity and the lower cavity is 1.1-1.3: 1; the lower cavity is in smooth transition connection with the inner bottom surface of the cavity through a fillet, and the inner bottom surface of the cavity is provided with a convex strip which passes through a central point and is not overlapped with the combining surface of the die set; the utility model discloses the mould life-span of effectively having solved traditional preparation spectral analysis sample piece is short, the problem of easy card mould.
Description
Technical Field
The utility model belongs to the technical field of ferrous metal casting technique and specifically relates to a mould of preparation spectral analysis appearance piece is related to.
Background
It is known that substances with various structures have their own characteristic spectra, and an analysis method for determining the structures and chemical components of the substances by using the principle and experimental method of spectroscopy is called as a spectral analysis method, in casting production, the analysis of the chemical components on line by using a direct-reading spectrometer is an analysis method which is currently produced in large scale and widely applied, and an analysis sample die special for spectrometer analysis is a sampling tool necessary for the direct-reading spectrometer to analyze the chemical components; in the molten steel smelting stage, each furnace of molten steel is sampled and analyzed for chemical components 2-3 times, a certain amount of molten steel (the temperature is more than or equal to 1650 ℃) is poured into an analysis sample die in a smelting furnace, a spectral analysis sample block is cast, an inspector performs cutting and polishing, then the analysis is performed on a spectrometer, the molten steel components in the furnace are adjusted according to the analysis chemical component result, when the spectral analysis sample block is manufactured, the analysis sample die needs to be heated at high temperature and cooled rapidly, the straight surface and the sharp corner in the die cavity of the traditional analysis sample die are more, and under the action of tensile and compressive cyclic stress caused by repeated heating and cooling, the inner surface of the die cavity of the traditional analysis sample die cracks to cause the failure of the analysis sample die, so the service life of the traditional analysis sample die is only about 200 times, and the traditional die is affected by thermal contraction and contraction in the use process as shown in figure 1, the deformation of a mold cavity is easily caused, so that a mold sample analysis sample block is stuck, and the analysis sample mold is scrapped; in addition, an analysis sample manufactured by the traditional die is not easy to clamp due to the influence of the draft angle, so that the cutting is difficult;
Chinese patent (publication number: CN 201965047U) discloses a mold for manufacturing a spectrum analysis sample block, wherein a left half mold and a right half mold of the mold are hinged through a rotating shaft, the structure is complex, and the flat plane and the sharp angle in a mold cavity formed by the left half mold and the right half mold of the mold are more, so that the inner surface of the mold cavity can crack under the action of tensile and compressive cyclic stress caused by repeated heating and cooling, and the service life is short; in addition, this patent need the operation workman to continuously hold the handle just can realize the mode locking in the casting process, has the potential safety hazard.
disclosure of Invention
In order to overcome the deficiency in the background art, the utility model discloses a mould of preparation spectral analysis appearance piece.
in order to achieve the purpose, the utility model adopts the following technical scheme:
A mold for manufacturing a spectrum analysis sample block comprises a left mold body, a right mold body and a mold locking ring; the left die body and the right die body are arranged in a symmetrical structure, the left die body and the right die body are correspondingly combined to form a die set with a conical structure, a cavity formed by a square cavity, an upper cavity and a lower cavity which are sequentially and coaxially communicated from top to bottom is arranged in the die set, the top of the square cavity is open, the inner wall surface of the upper cavity is an inward-convex arc surface, the inner wall surface of the lower cavity is an outward-convex arc surface, and the radian ratio of the inner wall surfaces of the upper cavity and the lower cavity is 1.1-1.3: 1; the lower cavity is in smooth transition connection with the inner bottom surface of the cavity through a fillet, the inner bottom surface of the cavity passes through a central point and is provided with a convex strip which is not overlapped with the bonding surface of the die set, two ends of the convex strip are correspondingly in smooth transition connection with the bottom of the lower cavity, and the outer wall surface of the die set is sleeved with a die locking ring.
Preferably, a positioning structure which can be matched in a matched mode is arranged on the combining surface of the left die body and the right die body.
Preferably, the inner wall surface of the mold locking ring is in an inverted cone shape, and is matched with the taper of the outer wall surface of the mold set.
Preferably, the radian ratio of the inner wall surfaces of the upper chamber and the lower chamber is 1.2: 1.
Preferably, handles are respectively arranged on two sides of the mold locking ring.
Preferably, the outer wall surface of the handle is provided with anti-skid grains.
preferably, the inner wall surface of the square cavity corresponding to the combining surface of the die set is provided with a draft angle.
preferably, the cross section of each convex strip is triangular.
Preferably, the length direction of the convex strip is vertical to the joint surface of the die set correspondingly.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
The utility model discloses a mould for manufacturing a spectrum analysis sample block, which has simple structure, easy assembly and lower production cost, and can realize the mould locking operation only by sleeving a mould locking ring on a mould group formed by combining a left mould body and a right mould body during casting, thereby having simple operation; the straight surface of the traditional mold cavity is changed into an arc transition surface, so that stress concentration is reduced, the cracking of the inner surface of the mold cavity caused by the action of tensile and compressive cyclic stress caused by repeated heating and rapid cooling can be effectively reduced, the surface heating and cooling strength of the mold cavity is improved, and the service life is effectively prolonged; by arranging the convex strips, a groove is reserved on the bottom surface of the spectral analysis sample block after casting, and an operator can quickly position and cut the spectral analysis sample block through the groove, so that a laboratory technician can conveniently perform spectral analysis; through setting up the square body chamber, make the spectral analysis sample piece surface after the casting leave two straight faces that correspond the parallel, the operating personnel of being convenient for adorn the card fixed to the model after the casting to make things convenient for subsequent cutting operation.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a left mold body;
Fig. 3 is a schematic structural view of a conventional mold.
In the figure: 1. a left mold body; 2. a right mold body; 3. a square cavity; 4. an upper chamber; 5. a positioning structure; 6. a lower chamber; 7. round corners; 8. a convex strip; 9. a handle; 10. and (4) a mold locking ring.
Detailed Description
The invention will be explained in more detail by the following examples, which disclose the invention and are intended to protect all technical improvements within the scope of the invention.
With reference to fig. 2-3, a mold for manufacturing a spectrum analysis sample block comprises a left mold body 1, a right mold body 2 and a mold locking ring 10; the left die body 1 and the right die body 2 are arranged in a symmetrical structure; according to the requirement, a positioning structure 5 which can be matched in a matched mode is arranged on the joint surface of the left die body 1 and the right die body 2, and can be accurately positioned when the die is closed; the left die body 1 and the right die body 2 are correspondingly combined to form a die set with a conical structure, a cavity formed by sequentially and coaxially penetrating a square cavity 3, an upper cavity 4 and a lower cavity 6 from top to bottom is formed in the die set, the top of the square cavity 3 is open, the inner wall surface of the upper cavity 4 is an inward-convex arc surface, the inner wall surface of the lower cavity 6 is an outward-convex arc surface, the radian ratio of the inner wall surface of the upper cavity 4 to the inner wall surface of the lower cavity 6 is 1.1-1.3: 1, and the lower cavity 6 is in smooth transition connection with the inner bottom surface of the cavity through a fillet 7; according to the requirement, the radian ratio of the inner wall surface of the upper cavity 4 to the inner wall surface of the lower cavity 6 is 1.2:1, namely, a flat plane of a traditional mold is changed into an arc transition plane, so that stress concentration is reduced, the cracking of the inner surface of a mold cavity caused by the action of tensile and compressive cyclic stress caused by repeated heating and rapid cooling can be effectively reduced, the surface heating and cooling strength of the mold cavity is improved, and the service life is effectively prolonged; the inner wall surface of the square cavity 3 corresponding to the combined surface of the die set is provided with a draft angle, the draft angle can be set to facilitate an operator to take out a cast model, the outer surface of a spectral analysis sample block in the cavity 3 after casting is two corresponding parallel flat surfaces, and the operator can conveniently clamp and fix the cast spectral analysis sample block so as to facilitate subsequent cutting operation;
The inner bottom surface of the cavity is provided with a convex strip 8 which passes through the central point and is not overlapped with the combined surface of the left die body 1 and the right die body 2, and two ends of the convex strip 8 are correspondingly and smoothly transitionally connected with the bottom of the lower cavity 6; according to the requirement, the cross section of each convex strip 8 is triangular, the length direction of each convex strip 8 is perpendicular to the joint surface of the die set correspondingly, namely a groove is reserved at the position, corresponding to each convex strip 8, of the bottom surface of the spectral analysis sample block after casting, and an operator can quickly position and cut the spectral analysis sample block through the groove, so that a laboratory technician can conveniently perform spectral analysis; the outer wall cover of mould group is equipped with mode locking ring 10, corresponds the mould group promptly and is equipped with the mode locking ring 10 that can overlap at its middle part outer wall, the internal face of mode locking ring 10 is the back taper, and with the tapering phase-match of mould group outer wall, is convenient for operating the workman to embolia the mould group with mode locking ring 10, realizes the mode locking operation, mode locking ring 10 both sides are equipped with handle 9 respectively, and the outer wall of handle 9 is equipped with anti-skidding line, has increased the roughness of handle 9 outer wall and has been convenient for operating the workman and get and put mode locking ring 10.
Implement the mould of preparation spectral analysis sample piece, only need to correspond left die body 1 and right die body 2 and combine formation mould group during the use, cover mode locking ring 10 at the outer wall of mould group, can realize the mode locking operation, through the open square body chamber in top 3 to the molten steel of mould group die cavity casting, after the casting is accomplished, cool off fast, then take down mode locking ring 10, separate left die body 1 and right die body 2 and can take out spectral analysis sample piece and carry out operation on next step, through setting up square body chamber 3, make the model surface after the casting leave two flat surfaces that correspond parallel, the spectral analysis sample piece after being convenient for operating personnel after casting dress card fixed to, in order to make things convenient for subsequent cutting operation; through the raised lines 8 arranged on the inner bottom surface of the cavity, a groove is reserved on the bottom surface of the cast analysis sample block, and an operator can quickly position and cut the spectral analysis sample block through the groove, so that a laboratory technician can conveniently perform spectral analysis; the straight face of traditional mould cavity is changed into the excessive face of circular arc, reduces stress concentration, can effectively reduce because the drawing and pressing cyclic stress effect that is heated repeatedly and quick cooling arouses causes moulds cavity internal surface chap, improves the surperficial heat and the cooling strength of mould cavity to effectual life has been prolonged.
The part of the utility model not detailed is prior art.
Claims (9)
1. A mold for manufacturing a spectrum analysis sample block is characterized in that: comprises a left die body (1), a right die body (2) and a mode locking ring (10); the left mold body (1) and the right mold body (2) are arranged in a symmetrical structure, the left mold body (1) and the right mold body (2) are correspondingly combined to form a mold set with a conical structure, a cavity formed by a square cavity (3), an upper cavity (4) and a lower cavity (6) are sequentially and coaxially communicated from top to bottom is arranged in the mold set, the top of the square cavity (3) is open, the inner wall surface of the upper cavity (4) is an inward-convex arc surface, the inner wall surface of the lower cavity (6) is an outward-convex arc surface, and the radian ratio of the inner wall surfaces of the upper cavity (4) and the lower cavity (6) is 1.1-1.3: 1; lower cavity (6) and the interior bottom surface of die cavity pass through fillet (7) rounding off and are connected, and the bottom surface is equipped with sand grip (8) that the central point just does not coincide with the die set faying face in the die cavity, and the both ends of this sand grip (8) correspond and the bottom rounding off of lower cavity (6) is connected, die set outer wall cover is equipped with mode locking ring (10).
2. The mold for making a spectroscopic block of claim 1 wherein: and a positioning structure (5) which can be matched in an inosculating manner is arranged on the joint surface of the left die body (1) and the right die body (2).
3. The mold for making a spectroscopic block of claim 1 wherein: the inner wall surface of the mold locking ring (10) is in an inverted cone shape and is matched with the taper of the outer wall surface of the mold set.
4. The mold for making a spectroscopic block of claim 1 wherein: the radian ratio of the inner wall surfaces of the upper chamber (4) and the lower chamber (6) is 1.2: 1.
5. The mold for making a spectroscopic block of claim 1 wherein: handles (9) are respectively arranged on two sides of the mold locking ring (10).
6. the mold for making a spectroscopic block of claim 5 wherein: the outer wall surface of the handle (9) is provided with anti-skid grains.
7. The mold for making a spectroscopic block of claim 1 wherein: and the inner wall surface of the square cavity (3) corresponding to the joint surface of the die set is provided with a draft angle.
8. The mold for making a spectroscopic block of claim 1 wherein: the cross section of the convex strip (8) is triangular.
9. The mold for making a spectroscopic block of claim 1 wherein: the length direction of the convex strips (8) is correspondingly vertical to the joint surface of the die set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920113931.0U CN209745661U (en) | 2019-01-23 | 2019-01-23 | Mould for manufacturing spectral analysis sample block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920113931.0U CN209745661U (en) | 2019-01-23 | 2019-01-23 | Mould for manufacturing spectral analysis sample block |
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| Publication Number | Publication Date |
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| CN209745661U true CN209745661U (en) | 2019-12-06 |
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| CN201920113931.0U Active CN209745661U (en) | 2019-01-23 | 2019-01-23 | Mould for manufacturing spectral analysis sample block |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113198973A (en) * | 2021-04-02 | 2021-08-03 | 朱艳林 | High-silicon aluminum alloy casting method |
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2019
- 2019-01-23 CN CN201920113931.0U patent/CN209745661U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113198973A (en) * | 2021-04-02 | 2021-08-03 | 朱艳林 | High-silicon aluminum alloy casting method |
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